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SA-2 Amplifier Specifications<br />
· System Type: Monaural Class G subwoofer amplifier<br />
· Power Output: 120 watts RMS into 8 ohms, 165 watts into 4 ohms<br />
· Frequency Response: 25Hz - 150Hz +/-3dB<br />
· Distortion: Less than 0.03% at full power<br />
· Crossover: Low-pass continuously variable between 35-150Hz, 18dB/octave<br />
Selectable high-pass at 50, 75, and 110Hz, 12dB/octave (line-level)<br />
Fixed high-pass at 100Hz (8 ohms), 6dB/octave (high-level)<br />
· Input Connectors: Gold plated RCA jacks for line level input<br />
Gold plated barrier strip for speaker level input<br />
· Output Connectors: Gold plated RCA jacks for line level output<br />
Gold plated barrier strip for speaker level output<br />
Gold plated 5-way binding posts for subwoofer output<br />
· Phase Control: 2 position selectable at 0 and 180 degrees<br />
· Standby Mode: (defeatable) Automatically shuts off when no signal is present for 10 minutes<br />
· Weight: 15 lbs.<br />
· Dimensions: 3.75"H x 16"W x 10.75"D<br />
· Finish: Black anodized front panel, black painted chassis<br />
• Design<br />
<strong>NHT</strong> products are designed to deliver refined, musical sound from attractive and affordable packages. Our<br />
efforts are guided by the study of human hearing and are optimized for real-world use. Every <strong>NHT</strong> product<br />
undergoes rigorous testing and quality control at the factory to ensure you years of listening pleasure.<br />
The <strong>NHT</strong> SA-2 Subwoofer Amplifier is a powerful and versatile monaural low frequency amplifier. The SA-2 and<br />
SW2Si passive subwoofer together comprise the SW2Pi Powered Subwoofer System. Additionally, the SA-2 is<br />
designed to power the subwoofer sections of <strong>NHT</strong> tower speakers when connected in biamplified configurations.<br />
The SA-2 is optimized for powerful low frequency reproduction, with a host of convenience features and<br />
sufficient high output capability to drive up to two subwoofers. Its discrete Class G design enables cooler<br />
operating temperatures, employing a massive power transformer and dual-rail power supplies for high output<br />
and low distortion. Only high-precision, low-noise componentry is used in the crossover circuits, for seamless<br />
blending with any loudspeaker.<br />
• Placement<br />
The SA-2 amplifier’s stand-alone design allows it to be placed either with other electronic components in the<br />
system or on top of the SW2Si subwoofer enclosure.<br />
Note: To prevent the SA-2 amplifier from overheating, always be sure to provide adequate space for<br />
proper ventilation.<br />
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